This question 1. A bronze alloy specimen having a diameter of 12.8 mm and a gage length of 50 mm wastested to fracture. Stress and strain data obtained during the test are shown in Figure.Determine:400Upper sealea. The modulus of elasticity.b. The proportional limit.320Lower scalec. The ultimate strength.240-d. The yield strength (0.20%offset).160-e. The modulus of resilience.f. The true fracture stress if the80-final diameter ofthespecimen at the location of0.1000.0050.2000.0100.3000.0150.400the fracture was 10.5 mm.0.020Strain (mm/mm)2. A force of 20,000 N will cause a 1 cm x 1 cm bar of magnesium to stretch from 10 cm to10.045 cm. Calculate the modulus of elasticity, both in GPa and psi.3. A cylindrical rod of steel (E = 207 GPa) having a yield strength of 310 MPa is to be subjected to aload of 11,100 N. If the length of the rod is 500 mm, what must be the diameter to allow anelongation of 0.38 mm?Stress (MPa)

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1. A bronze alloy specimen having a diameter of 12.8 mm and a gage length of 50 mm was tested to fracture. Stress and strain data obtained during the test are shown in Figure. Determine: 400 Upper seale a. The modulus of elasticity. b. The proportional limit. 320 Lower scale c. The ultimate strength. 240- d. The yield strength (0.20% offset). 160- e. The modulus of resilience. f. The true fracture stress if the 80- final diameter of the specimen at the location of 0.200 0.010 0.300 0.015 0.400 0.020 0.100 the fracture was 10.5 mm. 0.005 Strain (mm/mm) Stress (MPa)